cosmetics: rename some functions from *get_* to *decode_*
Originally committed as revision 14952 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -27,7 +27,7 @@ OBJS-$(CONFIG_ENCODERS) += faandct.o jfdctfst.o jfdctint.o
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OBJS-$(CONFIG_AAC_DECODER) += aac.o aactab.o mdct.o fft.o
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OBJS-$(CONFIG_AASC_DECODER) += aasc.o
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OBJS-$(CONFIG_AC3_DECODER) += ac3dec.o ac3tab.o ac3dec_data.o ac3.o mdct.o fft.o
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OBJS-$(CONFIG_AC3_DECODER) += eac3dec.o ac3dec.o ac3tab.o ac3dec_data.o ac3.o mdct.o fft.o
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OBJS-$(CONFIG_AC3_ENCODER) += ac3enc.o ac3tab.o ac3.o
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OBJS-$(CONFIG_ALAC_DECODER) += alac.o
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OBJS-$(CONFIG_ALAC_ENCODER) += alacenc.o lpc.o
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@ -82,7 +82,7 @@ typedef struct {
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int phase_flags[18]; ///< phase flags (phsflg)
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int num_cpl_subbands; ///< number of coupling sub bands (ncplsubnd)
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int num_cpl_bands; ///< number of coupling bands (ncplbnd)
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int cpl_band_struct[18]; ///< coupling band structure (cplbndstrc)
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uint8_t cpl_band_struct[18]; ///< coupling band structure (cplbndstrc)
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int firstchincpl; ///< first channel in coupling
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int first_cpl_coords[AC3_MAX_CHANNELS]; ///< first coupling coordinates states (firstcplcos)
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int cpl_coords[AC3_MAX_CHANNELS][18]; ///< coupling coordinates (cplco)
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@ -168,4 +168,16 @@ typedef struct {
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///@}
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} AC3DecodeContext;
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/**
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* Parse the E-AC-3 frame header.
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* This parses both the bit stream info and audio frame header.
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*/
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int ff_eac3_parse_header(AC3DecodeContext *s);
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/**
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* Decode mantissas in a single channel for the entire frame.
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* This is used when AHT mode is enabled.
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*/
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void ff_eac3_decode_transform_coeffs_aht_ch(AC3DecodeContext *s, int ch);
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#endif /* FFMPEG_AC3DEC_H */
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@ -87,18 +87,19 @@ const int16_t ff_eac3_gaq_remap_2_4_a[9][2] = {
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/**
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* Table E3.6, Gk=2 & Gk=4, B
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* Large mantissa inverse quantization, negative mantissa remapping offsets
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* Table values from the spec are right-shifted by 8 to simplify calculations.
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* ff_eac3_gaq_remap_3_4_b[hebap-8][Gk=2,4]
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*/
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const int16_t ff_eac3_gaq_remap_2_4_b[9][2] = {
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{ -5461, -1170},
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{ -11703, -4915},
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{ -14199, -6606},
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{ -15327, -7412},
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{ -15864, -7805},
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{ -16126, -7999},
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{ -16255, -8096},
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{ -16320, -8144},
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{ -16352, -8168}
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{ -22, -5 },
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{ -46, -20 },
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{ -56, -26 },
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{ -60, -29 },
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{ -62, -31 },
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{ -63, -32 },
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{ -64, -32 },
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{ -64, -32 },
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{ -64, -32 },
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};
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static const int16_t vq_hebap1[4][6] = {
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